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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-149.093956
Energy at 298.15K-149.099218
Nuclear repulsion energy71.964266
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3715 3548 37.02      
2 A 3575 3414 32.97      
3 A 3414 3260 1.00      
4 A 3039 2902 73.21      
5 A 1746 1667 235.01      
6 A 1658 1583 32.61      
7 A 1403 1340 41.97      
8 A 1343 1283 33.04      
9 A 1109 1059 137.17      
10 A 1086 1037 0.28      
11 A 1075 1027 35.18      
12 A 819 782 33.61      
13 A 605 578 245.46      
14 A 538 514 20.86      
15 A 320 306 191.64      

Unscaled Zero Point Vibrational Energy (zpe) 12723.0 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 12149.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/3-21G*
ABC
2.24233 0.35926 0.30965

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.121 0.399 0.000
N2 1.129 -0.154 -0.000
N3 -1.175 -0.327 -0.000
H4 -0.084 1.494 -0.000
H5 1.964 0.409 0.000
H6 1.204 -1.162 0.000
H7 -2.039 0.229 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36671.28041.09562.08502.04731.9259
N21.36672.31092.04621.00691.01123.1911
N31.28042.31092.12313.22462.52121.0271
H41.09562.04622.12312.31792.95192.3289
H52.08501.00693.22462.31791.74554.0073
H62.04731.01122.52122.95191.74553.5283
H71.92593.19111.02712.32894.00733.5283

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 122.169 C1 N2 H6 118.088
C1 N3 H7 112.692 N2 C1 N3 121.583
N2 C1 H4 111.941 N3 C1 H4 126.476
H5 N2 H6 119.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.282      
2 N -0.759      
3 N -0.611      
4 H 0.184      
5 H 0.319      
6 H 0.330      
7 H 0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.947 1.771 0.002 2.632
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.645 -2.710 0.003
y -2.710 -16.969 -0.001
z 0.003 -0.001 -20.109
Traceless
 xyz
x 4.894 -2.710 0.003
y -2.710 -0.092 -0.001
z 0.003 -0.001 -4.802
Polar
3z2-r2-9.603
x2-y23.324
xy-2.710
xz0.003
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.084 0.196 0.000
y 0.196 3.201 0.000
z 0.000 0.000 1.023


<r2> (average value of r2) Å2
<r2> 44.385
(<r2>)1/2 6.662